THE PRINCIPLES OF INTERCULTUEE 



211 



TABLE LI 



Results at Kansas Station with Deep and Shallow Cul- 

 ture FOR Corn. Average for Pour Years (1892- 

 1896).! 



Treatment 



Listed, deep culture 



Listed, shallow culture 



Surface planted, deep culture .... 

 Surface planted, shallow culture 

 Surface planted, deep and shallow culture* 

 Surface planted, surface culture .... 



Average Yield 

 Bushels per Acre 



29.7 

 29.3 

 27.3 

 27.0 

 28.1 

 23.0 



In Table XL VIII are also given results with frequency 

 of cultivation. The following data from the Kansas sta- 

 tion further illustrate : ^ — ■ 



TABLE LII 



We may therefore conclude, from the data presented, 

 that up to the time when corn shades the ground, and the 



1 Kansas Bui. 64:233. 



2 Deep first cultivation and shallow later. 

 ' Kans. Agr. Exp. Sta., Bui. 4S ; 131. 



